


fun main(args:Array<String>){
	test()
	val a:String = "L"
	var b:Int = 6
	print("a + b = " + sum(a,b))
	
	a = 7
	b = 4
}
/*
* 函数的定义
*
*/
fun test(){

	print("I love China\n")
	
}

fun sum(a:Int,b:Int):Int{
	return a + b
}